然而,他们的研究表明,除菌皂和普通肥皂其实并没有“显著区别。
Korean scientists examined the effect of triclosan, the active antiseptic ingredient most commonly used in these types of soaps.
三氯生是此类肥皂中最常见的活性除菌原料,来自韩国的科学家做了实验来检验三氯生的除菌效果。
They examined how effectively the ingredient killed bacteria, testing it against 20 strains.
实验检验了此原料面对20多类细菌,杀菌能力到底有多强。
They added triclosan to bacteria warmed to 22°C (room temperature) and 40°C (warm temperature) for 20 seconds, to recreate the conditions under which humans normally wash their hands.
他们在22度的细菌培养皿(室内温度)和40度的细菌培养皿(暖和的温度)内加入三氯生,并等待20秒,来重现人们洗手的场景。
They used a triclosan concentration of 0.3 percent - the maximum allowed by law.
他们使用的是浓度为0.3%的三氯生,为法定最高浓度。
They found triclosan had killed significantly more bacteria after nine hours or more, but not during the short time required for hand washing.
他们后来发现,在等待九个多小时以后,三氯生的杀菌效果非常卓越,但洗手的短暂时间仍不足以杀死细菌。
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